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Untargeted Metabolomics Using Liquid Chromatography Coupled with Mass Spectrometry for Rapid Discovery of Metabolite Biomarkers to Reveal Therapeutic Effects of Seeds Against Osteoporosis

Overview
Journal RSC Adv
Specialty Chemistry
Date 2022 May 9
PMID 35528068
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Abstract

Liquid chromatography coupled with mass spectrometry has been used as metabolomics profiling tool to discover and identify the metabolites in metabolic diseases. Osteoporosis (OP) syndrome is a chronic metabolic disease characterized by bone mass reduction and changes in bone microstructure. Linn. seeds (PCS) have a therapeutic effect on osteoporosis, but their action mechanism and therapeutic target are still unclear. This study aims to explore the metabolic changes of the urine profile in glucocorticoid-induced OP model rats and the therapeutic effect of PCS. High-throughput metabolomics based on the liquid chromatography coupled with mass spectrometry quadrupole time-of-flight mass spectrometry and multivariate data analysis were used to analyze the urine metabolites. The results showed that has an obvious separation between model and control groups. OPLS-DA was used to further analyze and discover substances that contributed to the separation. 42 potential biomarkers and 12 related metabolic pathways were identified in combination with network databases. After the intervention of PCS, 24 biomarkers were significantly regulated, mainly with glycone, serine and threonine metabolism, glutathione metabolism and purine metabolism and other metabolic pathways are related and discovered. This study has proved that PCS has therapeutic effect against OP by regulating that metabolic pathways disturbed in the OP. It provided a basis for the research and future development of new drugs for OP treatment.

Citing Articles

The Gut Microbiome Is Altered in Postmenopausal Women With Osteoporosis and Osteopenia.

Rettedal E, Ilesanmi-Oyelere B, Roy N, Coad J, Kruger M JBMR Plus. 2021; 5(3):e10452.

PMID: 33778322 PMC: 7990138. DOI: 10.1002/jbm4.10452.

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